Shutter for windows or the like

Details Shutter for windows or the like Shutter for windows or the like

1981-09-29

1984-04-24

Caun, Peter M.

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

Venetian blind type

E06B 930

Patent

active

044442432

ABSTRACT:
A shutter which can be assembled of prefabricated components and yard goods cut to size at the locale of use has two upright guide rails for the end portions of a curtain of upwardly and downwardly movable as well as tiltable horizontal slats. The shutter further includes a horizontal main shaft between the upper end portions of the guide rails, a housing mounted on top of each guide rail, a motor or a crank drive for rotating the main shaft clockwise or counterclockwise, and combined lifting and tilting mechanisms in the housings. Such mechanisms have lifting bands which are connected with the end portions of the slats to effect upward or downward movements of the slats in response to rotation of the main shaft, and tilting bands which change the angular positions of the slats in response to rotation of the main shaft. The tilting bands are movable lengthwise by clutch rings which are separably coupled to the main shaft via coil springs whose end portions can be arrested by one or more fixed or adjustable stops so as to adjust the inclination of the slats during raising or lowering of the curtain.

REFERENCES:
patent: 2874771 (1959-02-01), Muhr
patent: 3520346 (1970-07-01), Green
patent: 3578060 (1971-05-01), Spencer
patent: 3651852 (1972-03-01), Neri

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